Adjustable height pet feeder



FIG. 1 is a perspective view of an adjustable height pet feeder showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a side elevation thereof, with a portion shown partially in section, and with the adjacent side being substantially similar in appearance. 

The ornamental design for an adjustable height pet feeder, substantially as shown and described. 